Lubricant stick



FIG. 1 is a left-side perspective view of a lubricant stick showing my design;

FIG. 2 is a right-side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left-side elevation view thereof, it being understood that the opposite side is a mirror image of that shown;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design.

The lubricant stick is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM I claim the ornamental design for a lubricant stick, as shown and described. 